Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.05 | ||
| Mn | 0.50 | 1.00 | ||
| Si | - | 0.05 | ||
| P | - | 0.02 | ||
| S | - | 0.005 | ||
| Cr | 12.00 | 14.00 | ||
| Ni | 4.00 | 7.00 | ||
| Mo | 0.50 | 1.00 | ||
| N | 0.06 | 0.12 |
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 794 (≥) | 571 (≥) | 21 | 43 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 586 (≥) | 382 (≥) | 44 | 22 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 946 | 486 | 674 |
We can customize the production of SA-479 S41425 grade, contact us for the best solution.
–sales@specificsteel.com